On 28/05/2025 18.07, Alex Xu wrote:
Thanks for your feedback, I tried your command but added a frame counter:ffmpeg -i detelecine_input.mkv -vf "fieldmatch=order=tff:combmatch=none,decimate,drawtext=fontfile=Arial.ttf: text='%{frame_num}': start_number=0: x=(w-tw)/2: y=h-(2*lh): fontcolor=black: fontsize=20: box=1: boxcolor=white: boxborderw=5" -c:v libx264 -crf 18 -c:a aac -b:a 192k -pix_fmt yuv420p -r 24 fieldmatch_decimate_frames.mkv
That is not best. Try -vf fieldmatch,decimate. That takes all the default options, notably the real power in 'fieldmatch', which is 'combmatch=sc'.
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